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Sequoia 680 Chesapeake Dnve Redwood City CA 94063 (415) 364 9600 FAX(415) 364 9233 <br /> 1 404 N Wiget Lane Walnut Creek CA 94598 (510) 988 9600 FAX(510)988 9673 <br /> Analytical 819 Striker Avenue,Suite 8 Sacramento CA 95834 (916) 921 9600 FAX(916)921 0100 <br /> 11peraghty& Miller, Inc Client Project ID Chevron #9-4275 Sampled Jul 14, 1997 <br /> 050 Marina Way South Sample Matrix Soil Received Jul 15, 1997 <br /> Richmond, CA 94804 Analysis Method EPA 5030/8015 Mod /8020 Reported Jul 23, 1997 <br /> Attention Aaron O'Brien First Sample# 707-0732 <br /> C Batch Number GC071797 GC071697 GC071697 <br /> 8020EXA 8020EXA 8020EXA <br /> TOTAL PURGEABLE PETROLEUM HYDROCARBONS with BTEX DISTINCTION <br /> Reporting Sample Sample Sample <br /> Analyte Limit I D I D I D <br /> ' mg/kg 707-0732 707-0733 707-0734 <br /> VDSB-1 @ 35' VDSB-1 @ VDSB-1 @ 45 <br /> 40 5' <br /> ' Purgeable <br /> Hydrocarbons 20 N D N D N D <br /> ' Benzene 00050 N D N D N D <br /> ' Toluene 00050 N D N D N D <br /> 10hyl Benzene 00050 N D N D N D <br /> Total Xylenes 00050 N D N D N D <br /> ' <br /> MTBE 0 050 N D N D N D <br /> ,Chromatogram Pattern -- -- - <br /> Quality Control Data <br /> Report Limit Multiplication Factor 1 0 1 0 1 0 <br /> Date Analyzed 7/17/97 7/16/97 7/16/97 <br /> Instrument Identification HP-4 HP-4 HP-4 <br /> 1(Qarrogate Recovery, % 74 83 78 <br /> C Limits = 40-140%) <br /> turgeable Hydrocarbons are quantitated against a fresh gasoline standard <br /> Analytes reported as N D were not detected above the stated reporting limit <br /> IUOIA ANALYTICAL, #1271 <br /> ' 0, <br /> Melissa A Brewer <br /> Client Services Representative <br /> 7070728 GER <2> <br /> rte, - <br />